1525050073 has 2 divisors, whose sum is σ = 1525050074. Its totient is φ = 1525050072.

The previous prime is 1525050017. The next prime is 1525050077. The reversal of 1525050073 is 3700505251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1511887689 + 13162384 = 38883^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1525050073 - 2¹⁷ = 1524919001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1525050077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762525036 + 762525037.

It is an arithmetic number, because the mean of its divisors is an integer number (762525037).

Almost surely, 2^1525050073 is an apocalyptic number.

It is an amenable number.

1525050073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525050073 is an equidigital number, since it uses as much as digits as its factorization.

1525050073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 1525050073 is about 39051.8894933395. The cubic root of 1525050073 is about 1151.0513568686.

The spelling of 1525050073 in words is "one billion, five hundred twenty-five million, fifty thousand, seventy-three".